Question

what event is remembered as \the shot heard round the world\? the gunshot that killed crispus attucks during the boston massacre in 1770 the first gunshot fired at the battle of concord in 1775 the first cannon fired during the siege of boston in 1776 the last cannon fired at the battle of yorktown in 1781

Explanation:

The phrase "the shot heard round the world" refers to the first gunshot of the Battles of Lexington and Concord in 1775, which marked the start of the American Revolutionary War and had global historical significance. The other events listed occurred at different times and are not associated with this phrase.

Answer:

the first gunshot fired at the Battle of Concord in 1775